*SUPPORT*
IN: dax OUT: RED
IN: tufa OUT: GREEN
IN: dax gazzer wif OUT: BLUE RED
IN: kiki wif OUT: YELLOW BLUE
IN: kiki OUT: YELLOW
IN: wif gazzer tufa blicket dax wif gazzer kiki OUT: GREEN BLUE GREEN BLUE RED YELLOW BLUE
IN: dax gazzer tufa blicket kiki gazzer kiki OUT: GREEN RED GREEN RED YELLOW YELLOW
IN: dax gazzer kiki OUT: YELLOW RED
IN: wif lug blicket wif dax gazzer kiki OUT: BLUE BLUE BLUE BLUE BLUE YELLOW RED
IN: dax gazzer tufa OUT: GREEN RED
IN: tufa lug OUT: GREEN GREEN
IN: tufa gazzer wif OUT: BLUE GREEN
IN: wif lug blicket wif lug OUT: BLUE BLUE BLUE BLUE BLUE BLUE
IN: wif gazzer kiki blicket tufa gazzer kiki OUT: YELLOW BLUE YELLOW BLUE YELLOW GREEN

*QUERY*
IN: kiki gazzer tufa blicket wif lug OUT: GREEN YELLOW GREEN YELLOW BLUE BLUE
IN: dax lug OUT: RED RED
IN: kiki lug OUT: YELLOW YELLOW
IN: kiki dax OUT: YELLOW RED
IN: tufa wif OUT: GREEN BLUE
IN: wif OUT: BLUE
IN: tufa dax gazzer dax blicket wif OUT: GREEN RED RED GREEN RED RED BLUE
IN: dax tufa gazzer dax OUT: RED RED GREEN
IN: kiki kiki lug OUT: YELLOW YELLOW YELLOW
IN: kiki lug blicket wif gazzer dax OUT: YELLOW YELLOW YELLOW YELLOW RED BLUE

*GRAMMAR*
wif -> BLUE 
 kiki -> YELLOW 
 dax -> RED 
 tufa -> GREEN 
 u1 lug -> [u1] [u1] 
 u1 gazzer u2 -> [u2] [u1] 
 x1 blicket x2 -> [x1] [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 